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- "Lad, Prabhakar"
- "Lad, Prabhakar"
- "Lad, Prabhakar"
- "Lad, Prabhakar"
- "Lad, Prabhakar"
- "Lad, Prabhakar"
- "Lad, Prabhakar"
- "Lad, Prabhakar"
- "Lad, Prabhakar"
- "Lad, Prabhakar"
- "Lad, Prabhakar"
- "Lad, Prabhakar"
- "Lad, Prabhakar"
- "Lad, Prabhakar"
- "Lad, Prabhakar"
- "Lad, Prabhakar"
- Scott Jiang
- "Lad, Prabhakar"
Patch in this message | | | From | "Lad, Prabhakar" <> | Subject | [PATCH 05/15] media: blackfin: bfin_capture: improve queue_setup() callback | Date | Sat, 20 Dec 2014 16:17:32 +0530 |
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this patch improves the queue_setup() callback.
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com> --- drivers/media/platform/blackfin/bfin_capture.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/media/platform/blackfin/bfin_capture.c b/drivers/media/platform/blackfin/bfin_capture.c index 8bd94a1..76d42bb 100644 --- a/drivers/media/platform/blackfin/bfin_capture.c +++ b/drivers/media/platform/blackfin/bfin_capture.c @@ -44,7 +44,6 @@ #include <media/blackfin/ppi.h> #define CAPTURE_DRV_NAME "bfin_capture" -#define BCAP_MIN_NUM_BUF 2 struct bcap_format { char *desc; @@ -292,11 +291,14 @@ static int bcap_queue_setup(struct vb2_queue *vq, { struct bcap_device *bcap_dev = vb2_get_drv_priv(vq); - if (*nbuffers < BCAP_MIN_NUM_BUF) - *nbuffers = BCAP_MIN_NUM_BUF; + if (fmt && fmt->fmt.pix.sizeimage < bcap_dev->fmt.sizeimage) + return -EINVAL; + + if (vq->num_buffers + *nbuffers < 3) + *nbuffers = 3 - vq->num_buffers; *nplanes = 1; - sizes[0] = bcap_dev->fmt.sizeimage; + sizes[0] = fmt ? fmt->fmt.pix.sizeimage : bcap_dev->fmt.sizeimage; alloc_ctxs[0] = bcap_dev->alloc_ctx; return 0; -- 1.9.1
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